Intonaco - en.LinkFang.org

Intonaco


Intonaco is an Italian term for the final, very thin layer of plaster on which a fresco is painted. The plaster is painted while still wet, in order to allow the pigment to penetrate into the intonaco itself. An earlier layer, called arriccio, is laid slightly coarsely to provide a key for the intonaco, and must be allowed to dry, usually for some days, before the final very thin layer is applied and painted on.[1] In Italian the term intonaco is also used much more generally for normal plaster or mortar wall-coatings in buildings.

Intonaco is traditionally a mixture of sand (with granular dimensions less than two millimeters) and a binding substance.

Types of intonaco


Different types of intonaco are classified based on the binding material used:

The sand utilized in the intonaco can be limestone or silicate, taken from a natural source such as a river or from sand that is pulverized.

Types of stabilizers


Intonaco can be stabilized using:

References


  1. ^ Ugo Procacci, in Frescoes from Florence,pp. 15-25 1969, Arts Council, London, gives a full account of the process.









Categories: Painting techniques | Plastering




Information as of: 20.06.2020 09:29:12 CEST

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